Quantum-mechanical sum rules and results from the theory of moments arc smptoyed in the constructian of rigorous bounds on the long range van det Waafs interactions of atoms and mokcuks,
Fast Ewald sums for general van der Waals potentials
✍ Scribed by Chen, Zhuo-Min; �a?in, Tahir; Goddard, William A.
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 176 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0192-8651
No coin nor oath required. For personal study only.
✦ Synopsis
This work considers ways to increase calculation speed for Ewald crystal summations in cases where standard combination rules do not apply. This also increases speed of free-energy perturbation theory calculations.
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We hwc calculared the spherIcal un and amsotroplc radial components "1 and UJ m rhc usual Lcgendrc cupmwon ior thz rlgld rotor He-N\* potennal usmg the method of Tang and Toenmes Potcnrlal tunes covermg the rx~gr oi mtemuclear distances from 2.5 to 8 0 ii, which mcludes the munmum rcgon. arc prcscnr
## Abstract Bond‐order potentials provide a powerful class of models for simulating chemically reactive systems with classical potentials. In these models, the covalent bonding interactions adapt to the environment, allowing bond strength to change in response to local chemical changes. However, th